Core separator assembly

Details Core separator assembly Core separator assembly

1995-01-17

1996-01-30

Tsay, Frank S.

Boring or penetrating the earth

Means carried by housing insertable in inaccessible hole to...

175250, 175254, E21B 2502

Patent

active

054874335

ABSTRACT:
An assembly for dispensing a core separator ring on the top of a previously-cut core that is ejected from a core-cutting bit in a storage bin. The core separator assembly is integral with the forward end of the core ejector system.

REFERENCES:
patent: 1683642 (1928-09-01), Williston
patent: 2181980 (1939-12-01), Seale
patent: 3630296 (1971-12-01), Bullard
patent: 4396074 (1983-08-01), Jageler et al.
patent: 4449593 (1984-05-01), Jageler et al.
patent: 4466495 (1984-08-01), Jageler
patent: 4714119 (1987-12-01), Hebert et al.
patent: 5310013 (1994-05-01), Kishino et al.
patent: 5411106 (1995-05-01), Maissa et al.

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